Table I.
Polymer | Feed ratio D,La/Mb | Copolymer composition (NMR)c | Mn (kg/mol) | Mw (kg/mol) | Tg (°C) |
---|---|---|---|---|---|
PLBMGA | 75/25 | 78/22 (11) | 16 | 35 | 36 |
65/35 | 70/30 (15) | 24 | 51 | 41 | |
50/50 | 57/43 (21.5) | 19 | 35 | 33 | |
PLHMGA | 75/25 | 80/20 (10) | 13 | 30 | 49 |
65/35 | 69/31 (15.5) | 22 | 45 | 47 | |
50/50 | 51/49 (24.5) | 17 | 31 | 48 |
a D,L D,L-lactide
b M Monomer BMMG (benzyloxymethyl methyl glycolide)
cThe numbers in brackets are correspondent to either BMGA or HMGA